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Contents

README

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SN75451BP

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · DIP-8

SN75451BP from Texas Instruments, in a DIP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1A input Channel 1 logic input A; TTL-compatible diode-clamped input, VIH ≥ 2V, VIL ≤ 0.8V
2 1B input Channel 1 logic input B; TTL-compatible diode-clamped input, VIH ≥ 2V, VIL ≤ 0.8V
3 1Y tri_state Channel 1 open-collector driver output; 300mA continuous collector current, 30V maximum turn-off voltage
4 GND power_in Ground
5 2Y tri_state Channel 2 open-collector driver output; 300mA continuous collector current, 30V maximum turn-off voltage
6 2A input Channel 2 logic input A; TTL-compatible diode-clamped input, VIH ≥ 2V, VIL ≤ 0.8V
7 2B input Channel 2 logic input B; TTL-compatible diode-clamped input, VIH ≥ 2V, VIL ≤ 0.8V
8 VCC power_in Power supply voltage; 4.75V to 5.25V for SN7545xB per recommended operating conditions

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package DIP-8
Category Logic
Pins 8

CAD (KiCad official)

  • Symbol: SN75451BP
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: sn75451bp-etched.step / sn75451bp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75451bp.step / sn75451bp.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 8ee8076e0183590a, retrieved 2026-09-23, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF